public class LoginRegister extends AppCompatActivity implements SignUpFragment.OnFragmentInteractionListener ,SignInFragment.OnFragmentInteractionListener{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login_register);
final TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout_signup);
tabLayout.addTab(tabLayout.newTab().setText("Sign Up"));
tabLayout.addTab(tabLayout.newTab().setText("Sign in"));
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
final ViewPager pager =(ViewPager) findViewById(R.id.loginpager);
final SigninPagerAdapter adapter = new SigninPagerAdapter(getSupportFragmentManager(),tabLayout.getTabCount());
pager.setAdapter(adapter);
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
pager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
pager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
}
@Override
public void onFragmentInteraction(Uri uri) {
}
}
I found my solution.
tabLayout.setupWithViewPager(pager);
this method sets everything easily.